| Gurnee to Orthez | 4,189.90 mi (6,742.99 km) |
| Gurnee to Orvault | 4,019.83 mi (6,469.29 km) |
| Gurnee to Osny | 4,104.05 mi (6,604.84 km) |
| Gurnee to Ostwald | 4,339.64 mi (6,983.98 km) |
| Gurnee to Ouistreham | 4,005.77 mi (6,446.67 km) |
| Gurnee to Oullins | 4,336.29 mi (6,978.58 km) |
| Gurnee to Outreau | 4,028.69 mi (6,483.55 km) |
| Gurnee to Oyonnax | 4,349.10 mi (6,999.20 km) |
| Gurnee to Ozoir-la-Ferriere | 4,138.10 mi (6,659.62 km) |
| Gurnee to Pace | 3,983.87 mi (6,411.42 km) |
| Gurnee to Palaiseau | 4,123.46 mi (6,636.06 km) |
| Gurnee to Pamiers | 4,304.47 mi (6,927.37 km) |
| Gurnee to Panazol | 4,190.21 mi (6,743.50 km) |
| Gurnee to Pantin | 4,123.03 mi (6,635.37 km) |
| Gurnee to Paray-le-Monial | 4,280.66 mi (6,889.06 km) |
